We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Estry

Estry 510B S350 14.4V 3000mAh standard battery

SKU CH-S7G0-FG6J8 MPN 510B

A 14.4 V, 3000 mAh Ni-MH replacement battery for 510B and S350 models, measuring 89.2 x 67.2 x 44.6 mm and weighing 723.0 g

  • Battery pack size1 Year
  • Details14.4
  • Exact-fit replacement for 510B and S350 models
  • 4 V 3000 mAh Ni-MH chemistry delivers 43.2 Wh runtime
  • Overcharge, over-discharge, over-voltage and short-circuit protection built in
  • Certified to ISO9001, RoHS, CE, UN38.3 and MSDS standards
  • Compact 89.2 x 67.2 x 44.6 mm pack weighs 723.0 g

Ni-MH replacement battery for KV8 models

This 14.4V 3000mAh Ni-MH pack is built to the original specifications for the KV8 510B and S350. It delivers 43.2Wh of energy and includes overcharge, over-discharge, over-voltage and short-circuit protection. The pack measures 89.2 x 67.2 x 44.6mm and weighs 723.0g.

Users with matching KV8 units

It suits owners of the 510B or S350 who need a direct-fit replacement with ISO9001, RoHS, CE, UN38.3 and MSDS certification. It is not for devices that require a different voltage, connector layout or chemistry.

14.4V 3000mAh Ni-MH chemistry

The single specification that decides fitment is the 14.4V 3000mAh Ni-MH rating with the stated protection circuits and certifications. If your equipment demands that exact voltage, capacity and chemistry, this pack meets it.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $46.99
Pricier than about 90% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameNi-MH
Model name3,000 mAh
In the box
Battery pack size1 Year

Questions about this item

What vacuum-cleaner models does the 510B S350 14.4 V 3000 mAh pack replace?

It replaces the original battery in 510B and S350 units, matching the factory voltage and capacity exactly.

Will the 89.2 × 67.2 × 44.6 mm pack fit the same bay as my old 14.4 V Ni-MH battery?

Yes, the dimensions and 723.0 g weight are identical to the OEM pack, so it seats without modification.

How can I verify the 43.2 Wh pack is charging correctly after installation?

The built-in protection circuit stops charge at 14.4 V; a full charge indicator on the cleaner confirms normal operation.

More in Household Batteries & Chargers

Similar items